Portion of a display screen with avatar



FIG. 1 is a view of a first embodiment of our design; and,

FIG. 2 is a view of a second embodiment of our design.

The outer perimeter shown in dashed broken lines in FIGS. 1-2 illustrates a portion of a display screen and forms no part of the claimed design. The remaining dashed broken lines showing portions of the avatar forms no part of the claimed design. 

CLAIM The ornamental design for a portion of a display screen with avatar, as shown and described. 